Patents by Inventor Arnold J. Sobey

Arnold J. Sobey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4232844
    Abstract: An aerofoil has a tip section formed at least in part of composite structure wherein a substantial number of fibres are skew to the spanwise direction, resulting in the direction of principal bending stiffness of the aerofoil being diverted away from the spanwise direction in said tip section to induce twist under certain loading conditions.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: November 11, 1980
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventor: Arnold J. Sobey